jodd.madvoc.component.MadvocComponentLifecycle Maven / Gradle / Ivy
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package jodd.madvoc.component;
import jodd.madvoc.MadvocException;
/**
* Madvoc component lifecycle events.
*/
public class MadvocComponentLifecycle {
/**
* Madvoc INIT handler.
* Components are being registered. Should not request for an instance during this phase, since dependencies
* may still not be registered or updated. May be used for registration of additional components.
*/
@FunctionalInterface
public interface Init {
void init();
}
/**
* Madvoc START handler.
* All components are registered. Web application is being loaded. Should not use any web application
* component (action, filter, interceptor, result...) during this phase. New web application components
* may be registered.
*/
@FunctionalInterface
public interface Start {
void start();
}
/**
* Madvoc READY handler.
* Initialization is done: everything is registered.
* This phase is used for running any initialization that depends on the complete configuration.
*/
@FunctionalInterface
public interface Ready {
void ready();
}
/**
* Madvoc STOP handler. Invoked on Madvoc shutdown.
*/
@FunctionalInterface
public interface Stop {
void stop();
}
/**
* Invoke the listener based on type.
* Not very OOP, but works.
*/
public static void invoke(final Object listener, final Class listenerType) {
if (listenerType == Init.class) {
((Init) listener).init();
return;
}
if (listenerType == Start.class) {
((Start) listener).start();
return;
}
if (listenerType == Ready.class) {
((Ready) listener).ready();
return;
}
if (listenerType == Stop.class) {
((Stop) listener).stop();
return;
}
throw new MadvocException("Invalid listener");
}
}